GB/T 9166-2009 English PDF

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GB/T 9166-2009: Four-column hydraulic press -- Testing of the accuracy
Status: Valid

GB/T 9166: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 9166-2009	189	Add to Cart	3 days	Four-column hydraulic press -- Testing of the accuracy	Valid
GB/T 9166-1988	359	Add to Cart	3 days	Four-column hydraulic presses--Testing of the accuracy	Obsolete

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Basic data

Standard ID: GB/T 9166-2009 (GB/T9166-2009)
Description (Translated English): Four-column hydraulic press -- Testing of the accuracy
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J62
Classification of International Standard: 25.120.10
Word Count Estimation: 8,842
Date of Issue: 2009-04-02
Date of Implementation: 2009-11-01
Older Standard (superseded by this standard): GB/T 9166-1988
Quoted Standard: GB/T 6092-2004; GB/T 10923; GB/T 16455-2008; JB/T 7977-1999
Adopted Standard: JIS B6403-1994, NEQ
Regulation (derived from): National Standard Approval Announcement 2009 No.4 (Total No.144)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the accuracy of the test items column hydraulic machine, inspection tools, precision tolerance value and accuracy test methods. This standard applies to general -purpose hydraulic machine.

GB/T 9166-2009: Four-column hydraulic press -- Testing of the accuracy

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Four-column hydraulic press.Testing of the accuracy ICS 25.120.10 J62 National Standards of People's Republic of China Replacing GB/T 9166-1988 Hydraulic machine precision Posted 2009-04-02 2009-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard and Japan JISB6403-1994 "hydraulic machine accuracy inspection" of non-equivalent. This standard replaces GB/T 9166-1988 "hydraulic machine precision." This standard compared with GB/T 9166-1988, the main contents of the following. --- Increasing the normative references a chapter; --- Modify the accuracy of testing methods. The standard proposed by China Machinery Industry Federation. This standard by the National Forging Machinery Standardization Technical Committee. This standard was drafted. Hefei Metalforming Machine Co., Ltd., Jiangsu Yangli Group Co., Ltd. Huzhou Machine Tool Plant. The main drafters of this standard. Ding Yuemei, Gui flash, Wang Yushan, Luo Guilin, Zheng Jianhua. This standard replaces the standards previously issued as follows. --- GB/T 9166-1988. Hydraulic machine precision

1 Scope

This standard specifies the accuracy of the test items hydraulic machine, testing tools, precision tolerance values and precision test methods. This standard applies to general-purpose hydraulic machine.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequently Some amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Study whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 6092-2004 Squares GB/T 10923 Forging Machinery General accuracy test GB/T 16455-2008 batten and square levels JB/T 7977-1999 cast iron flat feet

3 General requirements

3.1 countertops is a hydraulic test machine precision datum. 3.2 accuracy test before the hydraulic machine should be adjusted to the level of its vertical and horizontal work surface to the level of deviation should not exceed 0.20/1000mm. 3.3 is equipped with movable table shall be so in the hydraulic working position and lock firmly. 3.4 hydraulic test machine accuracy should be separately carried out after idling and full load operation test, the accuracy of the measured value at full load operation after test As a basis for determining whether or not qualified. 3.5 accuracy test shall comply with GB/T 10923, and may also be other equivalent test method. 3.7 Inspection of the actual length of the vertical hydraulic press should be more than a quarter of the maximum stroke, but not less than 100mm; hydraulic press stroke Less than 100mm measured by the maximum stroke, the slider in the start, stop and reverse running moment runout occurs when excluding.

4 accuracy test

4.1 workbench plane and the plane of the slider under flatness 4.1.1 Test Method 4.1.1.1 Use a flat foot gauge block test This method is generally less than or equal to a length dimension of 1600mm plane. The three blocks of high volume detected on the plane selected three reference points A, B, C on. The flat feet on the A and C on the subject E measured at the plane to put an adjustable amount of block it with flat feet under plane contact, then flat feet on the B and E, an adjustable discharge at D Block It with flat feet under plane contact. In this case, A, B, C, D, E flat amount on the same block in a plane, sequentially flat feet on AB, DC, AD, the BC, flat feet can be measured at various points between the vertical plane and the deviation is detected plane. The same method was used in the detection of F, G spot Tests to each measuring point deviation as the difference between the maximum reading error of flatness of the plane [see Fig. 1a)]. For when the center hole of the plane using this method, can be measured [see Figure 1b)] through the transition points around the hole in the same manner. 4.1.1.2 Test with a spirit level This method is generally used to 1600mm length dimension greater than a plane. ......

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